Stable skyrmions in Co/Ni-based nanopillars with perpendicular magnetization anisotropy
Gang Lv,
Hong Zhang,
Feng Gao
et al.
Abstract:Micromagnetic simulations have been conducted to explore the formation rules of stable skyrmions in Co/Ni-based perpendicular magnetization anisotropy (PMA) nanopillars with Dzyaloshinskii-Moriya Interaction (DMI). The results show that an appropriate perpendicular magnetic field can generate a robust Néel-type skyrmion magnetic configuration in the free layer with a 5° tilted easy axis. The creation and stability of skyrmion states also depends on the strength of the DMI and the size of nano-disk. Furthermore… Show more
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